Dictionary
cys•ta•thi•o•nine
Pronunciation: (sis"tu-thī'u-nēn", -nin), [key]—
n. Biochem.
an amino acid, C
7H
14O
4N
2S, that is an intermediate in the transfer of sulfur from methionine to cysteine.
Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease.